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Re: converting to grub from lilo [DrDos on hdc1 not booting]



--- "Joe(theWordy)Philbrook" <jtwdyp ttlc net> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> It would appear that on May 24, Luciano Miguel Ferreira Rocha did
> say:
> 
> > On Sun, May 23, 2004 at 11:29:51PM -0400, Joe(theWordy)Philbrook
> wrote:
> > > But then perhaps it has something to do with /dev/hdb being my
> dvd-rom.
> > > Yet I wouldn't think it detects and discards the cd drives from
> it's
> > > numbering scheme. Therefore I suspect that it must be something
> like:
> > > 
> > > hda=1st master			hd0=1st master
> > > hdb=1st master's slave		hd1=2nd master
> > > hdc=2nd master			hd3=1st slave ?	
> > > hdd=2nd master's slave		hd4=2nd slave ?
> > 
> > No, hd* are harddisks as reported by BIOS.
> > 
> > So, you can have:
> > hd0: scsi hdd
> > hd1: 2nd slave hdd (with no hdd in other drives)
> > 
> > > If I'm right, it will get more confusing if/when computers have
> more
> > > than 2 primary ide ports as I think grub's notation will number
> ALL the
> > > master drives before any of the slaves...
> > 
> > Grub numbers all harddisk drives, in the order the BIOS reports
> them.
> > 
> > It doesn't care about master/slave, primary/secondary, etc.
> 
> Thanks for the info Luciano,
> 
> So then, Since I don't really understand what sequence bios uses to
> report the drives, could you tell me if
> 
> 1)bios lists the masters first, then the slaves?
> 
> 2)bios lists the harddrives then the cd drives?
> 
> 3)grub's "hd*" numbering scheme simply skips cd drives? In which
> case,
>   what does grub call the durned things?
> 
> 4)I'm completely clueless and should just sell my soul back to M$
>   because I'm incapable of understanding anything... <whimper> ;)
> 
> 5)"you tell me???"
> 
> Thanks
>> 

Hello;
  just edit the file /boot/grub/device.map
 and tell grub what is what, (only hard drives go in here)

[mick Athlon mick]$ su -
Password:
[root Athlon root]# cat /boot/grub/device.map
# this device map was generated by anaconda
(fd0)     /dev/fd0
(hd0)     /dev/hda
(hd1)     /dev/hdb

[root Athlon root]# cat /boot/grub/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this
file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd1,0)
#          kernel /vmlinuz-version ro root=/dev/hdb3
#          initrd /initrd-version.img
#boot=/dev/hda
default=1
timeout=10
splashimage=(hd1,0)/grub/splash.xpm.gz
password --md5 $1$wpT0Md5s$.zSpzPPVvHLvxHF21XtmO0
title Fedora Core (2.4.22-1.2115.nptl)
        root (hd1,0)
        kernel /vmlinuz-2.4.22-1.2115.nptl ro root=LABEL=/ hdd=ide-scsi
rhgb
        initrd /initrd-2.4.22-1.2115.nptl.img
title W98se
        rootnoverify (hd0,0)
        chainloader +1

[root Athlon root]# cat /etc/fstab
LABEL=/                 /               ext3    defaults        1 1
LABEL=/boot             /boot           ext3    defaults        1 2
none                    /dev/pts        devpts  gid=5,mode=620  0 0
LABEL=/home             /home           ext3    defaults        1 2
LABEL=/mnt/DOWNLOADS    /mnt/DOWNLOADS  ext3    defaults        1 2
LABEL=/mnt/scsi-int     /mnt/scsi-int   ext3    defaults        1 2
/dev/hda1               /mnt/vfat-w98   vfat    defaults        0 0
none                    /proc           proc    defaults        0 0
none                    /dev/shm        tmpfs   defaults        0 0
LABEL=/usr              /usr            ext3    defaults        1 2
LABEL=/var              /var            ext3    defaults        1 2
/dev/hdb2               swap            swap    defaults        0 0
/dev/cdrom              /mnt/cdrom      udf,iso9660
oauto,owner,kudzu,ro 0 0
/dev/cdrom1             /mnt/cdrom1     udf,iso9660
oauto,owner,kudzu,ro 0 0
/dev/fd0                /mnt/floppy     auto    noauto,owner,kudzu 0 0

[root Athlon root]# fdisk -l

Disk /dev/sda: 2170 MB, 2170000384 bytes
255 heads, 63 sectors/track, 263 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/sda1   *         1       263   2112516   83  Linux

Disk /dev/hda: 15.3 GB, 15367790592 bytes
255 heads, 63 sectors/track, 1868 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/hda1   *         1      1868  15004678+   c  Win95 FAT32 (LBA)

Disk /dev/hdb: 40.9 GB, 40982151168 bytes
255 heads, 63 sectors/track, 4982 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/hdb1   *         1        63    506016   83  Linux
/dev/hdb2            64       186    987997+  82  Linux swap
/dev/hdb3           187      1403   9775552+  83  Linux
/dev/hdb4          1404      4982  28748317+   5  Extended
/dev/hdb5          1404      1526    987966   83  Linux
/dev/hdb6          1527      1649    987966   83  Linux
/dev/hdb7          1650      2866   9775521   83  Linux
/dev/hdb8          2867      4982  16996738+  83  Linux

[root Athlon root]# dmesg |grep hd
Kernel command line: ro root=LABEL=/ hdd=ide-scsi rhgb
ide_setup: hdd=ide-scsi
    ide0: BM-DMA at 0xd800-0xd807, BIOS settings: hda:DMA, hdb:DMA
    ide1: BM-DMA at 0xd808-0xd80f, BIOS settings: hdc:DMA, hdd:DMA
hda: Maxtor 91531U3, ATA DISK drive
hdb: Maxtor 4D040H2, ATA DISK drive
hdc: Pioneer DVD-ROM ATAPIModel DVD-105S 012, ATAPI CD/DVD-ROM drive
hdd: PLEXTOR CD-R PX-W8432T, ATAPI CD/DVD-ROM drive
hda: attached ide-disk driver.
hda: host protected area => 1
hda: 30015216 sectors (15368 MB) w/512KiB Cache, CHS=1868/255/63,
UDMA(66)
hdb: attached ide-disk driver.
hdb: host protected area => 1
hdb: 80043264 sectors (40982 MB) w/2048KiB Cache, CHS=4982/255/63,
UDMA(66)
 hda: hda1
 hdb: hdb1 hdb2 hdb3 hdb4 < hdb5 hdb6 hdb7 hdb8 >
SCSI device sda: 4238282 512-byte hdwr sectors (2170 MB)
hdc: attached ide-cdrom driver.
hdc: ATAPI 40X DVD-ROM drive, 512kB Cache, UDMA(33)
hdd: attached ide-scsi driver.
[root Athlon root]#

Mick M.

=====
The glass is exactly twice as large as it needs to be.


	
		
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